20667906

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 54665280

約数和(自身を除く): 33997374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 73, 98, 107, 126, 146, 147, 189, 214, 219, 294, 321, 378, 438, 441, 511, 642, 657, 749, 882, 963, 1022, 1314, 1323, 1498, 1533, 1926, 1971, 2247, 2646, 2889, 3066, 3577, 3942, 4494, 4599, 5243, 5778, 6741, 7154, 7811, 9198, 10486, 10731, 13482, 13797, 15622, 15729, 20223, 21462, 23433, 27594, 31458, 32193, 40446, 46866, 47187, 54677, 64386, 70299, 94374, 96579, 109354, 140598, 141561, 164031, 193158, 210897, 283122, 328062, 382739, 421794, 492093, 765478, 984186, 1148217, 1476279, 2296434, 2952558, 3444651, 6889302, 10333953, 20667906]

約数ペア:

[(1, 20667906), (2, 10333953), (3, 6889302), (6, 3444651), (7, 2952558), (9, 2296434), (14, 1476279), (18, 1148217), (21, 984186), (27, 765478), (42, 492093), (49, 421794), (54, 382739), (63, 328062), (73, 283122), (98, 210897), (107, 193158), (126, 164031), (146, 141561), (147, 140598), (189, 109354), (214, 96579), (219, 94374), (294, 70299), (321, 64386), (378, 54677), (438, 47187), (441, 46866), (511, 40446), (642, 32193), (657, 31458), (749, 27594), (882, 23433), (963, 21462), (1022, 20223), (1314, 15729), (1323, 15622), (1498, 13797), (1533, 13482), (1926, 10731), (1971, 10486), (2247, 9198), (2646, 7811), (2889, 7154), (3066, 6741), (3577, 5778), (3942, 5243), (4494, 4599)]